11568064158 has 144 divisors (see below), whose sum is σ = 31151877120. Its totient is φ = 3084171552.

The previous prime is 11568064111. The next prime is 11568064181. The reversal of 11568064158 is 85146086511.

11568064158 is a `hidden beast` number, since 1 + 156 + 80 + 6 + 415 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1117635 + ... + 1127937.

It is an arithmetic number, because the mean of its divisors is an integer number (216332480).

Almost surely, 2^11568064158 is an apocalyptic number.

11568064158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11568064158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15575938560).

11568064158 is an abundant number, since it is smaller than the sum of its proper divisors (19583812962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11568064158 is a wasteful number, since it uses less digits than its factorization.

11568064158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411 (or 10401 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 11568064158 in words is "eleven billion, five hundred sixty-eight million, sixty-four thousand, one hundred fifty-eight".